One of the most basic things that even children know about advertising is that, as clichÃ© as it is, sex sells. It really should come as no surprise then that that is the concept people came up with when entering a user-generated ad competition. It didn't matter that the campaign was meant to be for Voyages-sncf.com, a French railway company; naughty sells all, even public transit!
Check out some more assvertising, these ones created by the pros:
More Stats +/-
Solar Electric Panoramic Ferries
Fantasy Linguistics Courses
Interactive Makeup Filters
Smooth Buttonless Bluetooth Speakers
Super Grain-Infused Cookie Snacks